If you follow My statutes and observe My commandments and perform them… [A]nd you will live in security in your land. And I will grant peace in the Land, and you will lie down with no one to frighten [you]. - Leviticus Chapter 26 verses 3-6

Moshe Rabenu’s famous rallying cry has often been quoted most famously in the large demonstrations around the world for Freedom of Russian Jewry. However the verse is always misquoted because it is quoted incompletely. The complete quote is ‘Let my people go and serve me (Hashem).’

The fight-or-flight response occurs in the presence of something that is terrifying, either mentally or physically. When the newly free Jewish slaves left Egypt and were camped by the Reed Sea they notice Pharoh and his army rapidly approaching behind them. They were terrified.